US2586572A - Styrene drying-oil copolymers - Google Patents

Styrene drying-oil copolymers Download PDF

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US2586572A
US2586572A US76858A US7685849A US2586572A US 2586572 A US2586572 A US 2586572A US 76858 A US76858 A US 76858A US 7685849 A US7685849 A US 7685849A US 2586572 A US2586572 A US 2586572A
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styrene
grams
drying
weight
oil
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US76858A
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Sleightholme John Joseph
Hammond Wallace Thomas Craven
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Sherwin Williams Co
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Sherwin Williams Co
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F212/02—Monomers containing only one unsaturated aliphatic radical
    • C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F212/06—Hydrocarbons
    • C08F212/08—Styrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F242/00—Copolymers of drying oils with other monomers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
    • C09D125/02—Homopolymers or copolymers of hydrocarbons
    • C09D125/04—Homopolymers or copolymers of styrene
    • C09D125/08—Copolymers of styrene
    • C09D125/14—Copolymers of styrene with unsaturated esters

Definitions

  • This invention is for'improvements in or relating to styrene-drying-oil copolymers and has for an object to provide a new class of such copol'ymers" which are useful as surface coatings or for impregnation purposes.
  • the invention has for anobject' to provide copolymers of styrene and related compounds, polyhydric alcoholic" mixed esters and the unsaturatedv aromatic residues contained in the extract resulting from the treatment of mineral lubrieating; oils with selective solvents, such as" liquid S'Oz, by the Edeleanu process, referred to in Modern Petroleum Technology, published by the Institute of Petroleum, in London, in 1946.
  • the aromatic petroleum residues are soluble in white spirit and solvent naphtha and are believed to consist of mixtures of complex cyclic unsaturated hydrocarbons, as described in "Industrial Chemistry, by E'. R. Riegel, 3rd Ed., 1937, Reinhold Publishing Corporation, page 403. Examples of such materials, hereinafter referred to aromatic petroleum residues, are the materials sold under the trade names Iranolin, Dutrex andPetromor.
  • polyhydric alcoholic mixed ester as used herein means an ester of a polyhyd'ric alcohol and one or more highly unsaturated fatty acids with or without fatty acids of other types and with or without a polybasic acid and includes the casein which, where a polybasic acidradicle is present, more than one polyhydric alcohol enters into the ester molecule.
  • a highly unsaturated fatty acid we mean a fatty acidcontaining atleast two double bonds in the molecule which doublebonds may be either con: jugatedor non-conjugated.
  • a process for the production of acopolymer which comprises heating a mixture of styrene; or a nuclear alkyl-or' halogen substitution product thereof, an aromatic petroleum residue as hereinbefore defined and one or more poly'-- hydric alcoholic-mixed esters as hereinbefore defined; the process is preferably carried out by heating the reaction mixture under reflux.
  • the copolymer saucn reaction maybe anne out in solution, for example, in air-aromatic sol-
  • the invention also includes the control of the" molecular complexity of the copolymers by carrying out the reaction in the presence of a mono-cyclic alpha-terpene or, alternatively, in the presence of sulphur inamdunts of to 5%, preferably 1% to 29 by Weight of the polyhydric alcoholic mixed ester.
  • a still further feature of the invention consists in that the styrene or related compound is added to the reaction mixture during the course of the reaction, that is to say, that a part only of the styrene is present in the initial reaction mixture and the remainder of the required quantity of styrene is added, either portion-wise or continuously, during the course of the copolymerisationreaction; we also find that in some casesadvantag'es arise from the addition of the mono-cyclic alpha-terpene to the reaction mixture during the course of the reaction, this addition being made either continuously or portion-wise as desired-.-
  • aromatic petroleum residues have, in the past, been used to a certain extent w-ith a view to replacing some of the drying, oils usedinthe conventional paint media with a view to reducing the cost thereof or with a view to overcoming the dificultiesof shortage of supply of such drying oils.
  • these aromatic petroleum resi--' dues have the disadvantage that, when-'- they areadded to drying oils orvarnishes, as has been practised heretofore, the products thusobtaineddry very slowly.
  • Example 1 132 grams of a 7-poise dehydrated castor oil were dissolved in 150 grams of xylene together with 33 grams of the aromatic petroleum residues and 135 grams of monomeric styrene.
  • the reaction mixture was heated under reflux for 11% hours at the end of which time the re action product had a solids content of 54% by weight and a. viscosity of 165 seconds in a No. 4 Ford Cup at C.
  • the reaction product was a soft dark balsam which was soluble in xylene.
  • lead and cobalt naphthenate driers in amounts such as to give a content of 0.5% of lead and 0.05% of cobalt (calculated as the metals) by weight of the non-volatile solids of the solution). were added and a film poured from the xylene solution, there was produced a clear film which dried in 2 hours.
  • Example 3 125 grams of the aromatic petroleum residues were mixed with 150 grams of monomeric styrene and grams of alkali-refined linseed oil; 1 gram of sulphur was then added to the reaction mixture which was heated under reflux for 3 /2 hours at the end of which time the temperature had reached 200 C.
  • the reaction product was a viscous oil which, on addition of lead and cobalt naphthenate driers (in amounts such as to give a content of 0.5% of lead and 0.05% of cobalt (calculated as the metals) by weight of the non-volatile solids of the solution), and thinning to brushing consistency with xylene, yielded a slightly opalescent film which dried in 18 hours.
  • Example 4 125 grams of the aromatic petroleum residues 7 4 were mixed with 150 grams of monomeric styrene and 75 grams of wood oil. 1 gram of sulphur was then added to the mixture which was then heated under reflux for 4 /2 hours at the end of which time the temperature had risen to 200 C.
  • the reaction mixture when cool, was a dark, clear balsam having a solids content of by weight.
  • Example 5 grams of the aromatic petroleum residues were mixed with grams of monomeric styrene and 75 grams of oiticica oil. 1 gram of sulphur was then added to the mixture which was then heated under reflux for 3 hours at the end of which time the temperature had risen to 200 C.
  • the aqueous alkaline solution is ammonia or a solution of volatile organic base then, on drying, the ammonia or the said base will be volatilised whereby the water-resistance of the deposit is enhanced as compared with that produced with the use of a non-volatile base.
  • a process for the production of a copolymer which comprises heating a mixture of styrene with the unsaturated aromatic extract obtained from lubricating oils treated by the Edeleanu process and with a polyhydric alcoholic mixed ester containing unsaturated drying oil fatty acid radicles, the ratio by weight of styrene to extract being from about 4:1 to about 1.2:1, and the mixed ester comprising from 10% to 44% by weight of the mixture.
  • soap-forming acid is unsaturated and is copolymerised with the other ingredients of the reaction mixture.
  • a new composition of matter comprising a copolymer of styrene with the unsaturated aromatic extract obtained from lubricating oils treated by the Edeleanu process and with a polyhydric alcoholic mixed ester containing unsaturated drying oil fatty acid radicles, the ratio by weight of styrene to extract being from about 4:1 to about 12:1 and said mixed ester comprising from 10% to 44% by weight of the whole.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)

Description

Patented Feb. 19, 1952 UNITED STATES PATENT OFFICE STYRENE DRYING-OIL GOPOLYMERS" John Joseph Sleightholme, Carlisle, and; waiiaee' Thomas Craven Hammond, London", England; ass'ignors, by' mesh-e assignments, to The Sherwin-Williams Company, Cleveland, Ohio, a cor- Iteration (if Ohio' No Drawing. Application February 16,: 1949', Se rial No. 76,858. Iii Great Britain February L7;
13 Claims. 1
This invention is for'improvements in or relating to styrene-drying-oil copolymers and has for an object to provide a new class of such copol'ymers" which are useful as surface coatings or for impregnation purposes.
The invention has for anobject' to provide copolymers of styrene and related compounds, polyhydric alcoholic" mixed esters and the unsaturatedv aromatic residues contained in the extract resulting from the treatment of mineral lubrieating; oils with selective solvents, such as" liquid S'Oz, by the Edeleanu process, referred to in Modern Petroleum Technology, published by the Institute of Petroleum, in London, in 1946. The aromatic petroleum residues are soluble in white spirit and solvent naphtha and are believed to consist of mixtures of complex cyclic unsaturated hydrocarbons, as described in "Industrial Chemistry, by E'. R. Riegel, 3rd Ed., 1937, Reinhold Publishing Corporation, page 403. Examples of such materials, hereinafter referred to aromatic petroleum residues, are the materials sold under the trade names Iranolin, Dutrex andPetromor. I
in copending U. S. Patent Application No. 76,857, filed February 16; 1949', there is described the production of copolymers of styrene or sub stitution products thereof with the aromatic petroleum residues; these products are, in general, incompatible with drying oils whereas an object of the present invention is to provide a range of products in' which a drying oil is believed to be incorporated into the copolymer molecule;
The expression polyhydric alcoholic mixed ester" as" used herein means an ester of a polyhyd'ric alcohol and one or more highly unsaturated fatty acids with or without fatty acids of other types and with or without a polybasic acid and includes the casein which, where a polybasic acidradicle is present, more than one polyhydric alcohol enters into the ester molecule. By a highly unsaturated fatty acid we mean a fatty acidcontaining atleast two double bonds in the molecule which doublebonds may be either con: jugatedor non-conjugated.
According to the present invention there is provided a process for the production of acopolymer which comprises heating a mixture of styrene; or a nuclear alkyl-or' halogen substitution product thereof, an aromatic petroleum residue as hereinbefore defined and one or more poly'-- hydric alcoholic-mixed esters as hereinbefore defined; the process is preferably carried out by heating the reaction mixture under reflux.
We" find that it is advantageous to carry" out (01. m ze) vent-such as xylene.
iii
, 2 the reaction under pressure as thereby, particularly when pressures in excess of 1 atmosphere superatmospheric pressure 'are used, there results a very; marked reduction in the reaction time required to effect a substantially complete copolymeri'sation.
The copolymer saucn reaction maybe anne out in solution, for example, in air-aromatic sol- The invention also includes the control of the" molecular complexity of the copolymers by carrying out the reaction in the presence of a mono-cyclic alpha-terpene or, alternatively, in the presence of sulphur inamdunts of to 5%, preferably 1% to 29 by Weight of the polyhydric alcoholic mixed ester.
A still further feature of the invention consists in that the styrene or related compound is added to the reaction mixture during the course of the reaction, that is to say, that a part only of the styrene is present in the initial reaction mixture and the remainder of the required quantity of styrene is added, either portion-wise or continuously, during the course of the copolymerisationreaction; we also find that in some casesadvantag'es arise from the addition of the mono-cyclic alpha-terpene to the reaction mixture during the course of the reaction, this addition being made either continuously or portion-wise as desired-.-
The aromatic petroleum residues: have, inthe past, been used to a certain extent w-ith a view to replacing some of the drying, oils usedinthe conventional paint media with a view to reducing the cost thereof or with a view to overcoming the dificultiesof shortage of supply of such drying oils. However, these aromatic petroleum resi--' dues have the disadvantage that, when-'- they areadded to drying oils orvarnishes, as has been practised heretofore, the products thusobtaineddry very slowly.
The process of the present invention makes itpossible, however, to incorporate" considerable proportions of the aromatic petroleum residues into the" styrene oil copolymers and at the same time to produce varnishes which are quicle dry ing'. It will be appreciated that there is con siderable advantagefto be derived from the use of these aromatic petroleum residues by" co ay: merising them, since the slowing down of the drying' time hitherto" experienced on the mere admixture of these residueswithpaint media dde's notoccur' and; in fact, in some instances the dry:- ing time is even more rapid-.
A very wide range of productsis possible within the scope of the present invention and the properties of the final copolymerisation products obtained may be varied as required by controlling the proportions of the aromatic petroleum residues to the styrene or drying oil.
The use of the monocyclic alpha-terpene or of the sulphur makes it possible to produce reaction products which are homogeneous from reaction mixtures which otherwise would produce a heterogeneous and substantially valueless mass.
The following examples illustrate the manner in which the invention may be carried into effect:
Example 1 132 grams of a 7-poise dehydrated castor oil were dissolved in 150 grams of xylene together with 33 grams of the aromatic petroleum residues and 135 grams of monomeric styrene.
The reaction mixture was heated under reflux for 11% hours at the end of which time the re action product had a solids content of 54% by weight and a. viscosity of 165 seconds in a No. 4 Ford Cup at C.
A further 150 grams of xylene were then added to the reaction mixture and the heating under Example 2 120 grams of the aromatic petroleum residues were mixed with 150 grams of monomeric styrene and grams of a 'I-poise dehydrated castor oil.
0.4 gram of sulphur was then added and the reaction mixture was heated under reflux for 4 hours at the conclusion of which time the temperature had risen to 200 C.
The reaction product was a soft dark balsam which was soluble in xylene. When lead and cobalt naphthenate driers (in amounts such as to give a content of 0.5% of lead and 0.05% of cobalt (calculated as the metals) by weight of the non-volatile solids of the solution). were added and a film poured from the xylene solution, there was produced a clear film which dried in 2 hours.
Example 3 125 grams of the aromatic petroleum residues were mixed with 150 grams of monomeric styrene and grams of alkali-refined linseed oil; 1 gram of sulphur was then added to the reaction mixture which was heated under reflux for 3 /2 hours at the end of which time the temperature had reached 200 C.
The reaction product was a viscous oil which, on addition of lead and cobalt naphthenate driers (in amounts such as to give a content of 0.5% of lead and 0.05% of cobalt (calculated as the metals) by weight of the non-volatile solids of the solution), and thinning to brushing consistency with xylene, yielded a slightly opalescent film which dried in 18 hours.
The result obtained when the foregoing reac- F tion Was repeated but in the absence of sulphur, was that a heterogeneous mass was produced.
Example 4 125 grams of the aromatic petroleum residues 7 4 were mixed with 150 grams of monomeric styrene and 75 grams of wood oil. 1 gram of sulphur was then added to the mixture which was then heated under reflux for 4 /2 hours at the end of which time the temperature had risen to 200 C.
The reaction mixture, when cool, was a dark, clear balsam having a solids content of by weight.
On addition of driers in the form of lead naphthenate and cobalt naphthenate in amounts such as to give a content of 0.4% of lead and 0.05% of cobalt (calculated as the metals) by weight of the non-volatile solids of the solution and thinning to brushing consistency with xylene, a tough, clear film was obtained which dried in 6 hours.
If the process was repeated as above but in the absence of the sulphur, it was found that the reaction mixture gelled in 6 hours.
Example 5 grams of the aromatic petroleum residues were mixed with grams of monomeric styrene and 75 grams of oiticica oil. 1 gram of sulphur was then added to the mixture which was then heated under reflux for 3 hours at the end of which time the temperature had risen to 200 C.
A film prepared from the final reaction product, thinned to brushing consistency with xylene, formed a tough, clear film which dried under the influence of lead and cobalt naphthenate driers in amounts such as to give a content of 0.4% of lead and 0.05% of cobalt (calculated as the metals) by weight of the non-volatile solids of the solution in a period of 5 hours.
We have found that by incorporating a higher fatty soap-forming acid in the reaction mixture or in the reaction product, we can produce products which will readily form an emulsion on mixing with an aqueous alkaline solution without the necessity of adding any emulsifying agent; if the soap-forming acid is unsaturated and is v added before or during the copolymerisation reaction, then it may enter into the copolymer molecule. Such emulsifiable products are particularly suitable for the production of emulsion paints and the emulsions can be used either as coating or as impregnating compositions for a wide variety of purposes.
When the aqueous alkaline solution is ammonia or a solution of volatile organic base then, on drying, the ammonia or the said base will be volatilised whereby the water-resistance of the deposit is enhanced as compared with that produced with the use of a non-volatile base.
What we claim is:
1. A process for the production of a copolymer which comprises heating a mixture of styrene with the unsaturated aromatic extract obtained from lubricating oils treated by the Edeleanu process and with a polyhydric alcoholic mixed ester containing unsaturated drying oil fatty acid radicles, the ratio by weight of styrene to extract being from about 4:1 to about 1.2:1, and the mixed ester comprising from 10% to 44% by weight of the mixture.
2. A process according to claim 1 wherein the copolymerisation is eiiected by heating the reaction mixture under reflux.
3. A process according to claim 1 wherein the copolymerisation is effected under superatmospheric pressure.
4. A process according to claim 1 wherein the copolymerisation is efiected in solution in a solvent for the several ingredients.
5. A process according to claim 4 wherein the solvent is an aromatic solvent.
6. A process according to claim 1 wherein the copolymerisation is,v efiected in the presence of sulphur in an amount of 5% to 5% by weight of the polyhydric alcoholic mixed ester.
'7. A process according to claim 1 wherein the copolymerisation is efiected in the presence of a monocyclic alpha terpene.
8. A process according to claim '7 wherein the monocyclic alpha terpene is added to the reaction mixture durin the course of the reaction.
9. A process according to claim 1 wherein a part only of the styrene is present in the initial reaction mixture and the remainder of the required quantity of styrene is added during the course of the copolymerisation reaction.
10. A process according to claim 1 wherein a higher fatty soap-forming acid is added to the reaction mixture.
11. A process according to claim 10 wherein said soap-forming acid is unsaturated and is copolymerised with the other ingredients of the reaction mixture.
12. A new composition of matter comprising a copolymer of styrene with the unsaturated aromatic extract obtained from lubricating oils treated by the Edeleanu process and with a polyhydric alcoholic mixed ester containing unsaturated drying oil fatty acid radicles, the ratio by weight of styrene to extract being from about 4:1 to about 12:1 and said mixed ester comprising from 10% to 44% by weight of the whole.
13. A new composition of matter as claimed in claim 12 wherein said mixed ester is a fatty drying oil.
JOHN JOSEPH SLEIGHTHOLME.
WALLACE THOMAS CRAVEN HAMMOND.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 2,371,652 Rustler et a1 Mar. 20, 1945 2,395,504 Rubens et a1 Feb. 26, 1946 2,455,890 Fawcett et a1 Dec. 7, 1948 2,468,748 Griess et al. May 3, 1949 2,468,798 Young et a1 May 3, 1949 OTHER REFERENCES Emulsions, 7th Ed. Carbide & Carbon Chem. Co. 1946, page 21.

Claims (1)

1. A PROCESS FOR THE PRODUCTION OF A CPOLYMER WHICH COMPRISES HEATING A MIXTURE OF STYRENE WITH THE UNSATURATED AROMATIC EXTRACT OBTAINED FROM LUBRICATING OILS TREATED BY THE EDELEANU PROCESS AND WITH A POLYHYDRIC ALCOHOLIC MIXED ESTER CONTAINING UNSATURATED DRYINGOIL FATTY ACID RADICLES, THE RATIO BY WEIGHT OF STYRENE TO EXTRACT BEING FROM ABOUT 4:1 TO ABOUT 1.2:1, AND THE MIXED ESTER COMPRISING FROM 10% TO 44% BY WEIGHT OF THE MIXTURE.
US76858A 1948-02-17 1949-02-16 Styrene drying-oil copolymers Expired - Lifetime US2586572A (en)

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Publication number Priority date Publication date Assignee Title
US2732843A (en) * 1956-01-31 Signal holders
US2733417A (en) * 1952-10-30 1956-01-31 Metal sleeve base for double ended tubular lamp

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2371652A (en) * 1938-05-30 1945-03-20 Wilmington Chem Corp Coating compositions
US2395504A (en) * 1943-01-07 1946-02-26 Dow Chemical Co Copolymerization mixtures and polymeric products
US2455890A (en) * 1943-01-02 1948-12-07 Anglo Iranian Oil Co Ltd Polystyrene-mineral oil extract plastic composition
US2468748A (en) * 1944-09-26 1949-05-03 Dow Chemical Co Drying oil-styrene interpolymers
US2468798A (en) * 1947-06-25 1949-05-03 Dow Chemical Co Modified styrene-linseed oil interpolymers

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2371652A (en) * 1938-05-30 1945-03-20 Wilmington Chem Corp Coating compositions
US2455890A (en) * 1943-01-02 1948-12-07 Anglo Iranian Oil Co Ltd Polystyrene-mineral oil extract plastic composition
US2395504A (en) * 1943-01-07 1946-02-26 Dow Chemical Co Copolymerization mixtures and polymeric products
US2468748A (en) * 1944-09-26 1949-05-03 Dow Chemical Co Drying oil-styrene interpolymers
US2468798A (en) * 1947-06-25 1949-05-03 Dow Chemical Co Modified styrene-linseed oil interpolymers

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